 (def cornerrow (dec lastrow))
 (def α (/ π 12))                        ; curvature of the columns
 (def β (/ π (if (= nrows 4) 26 36)))    ; curvature of the rows
+(def centerrow (- cornerrow 1))         ; controls front-back tilt
+(def centercol 3)                       ; controls left-right tilt / tenting
+
 
 ;;;;;;;;;;;;;;;;;
 ;; Switch Hole ;;

    (->> (color [20/255 163/255 163/255 1])
         (hull side-cylinder
               (mirror [-1 0 0] side-cylinder))
         (rotate (/ π 2) [1 0 0])
         (translate [0 (/ teensy-length 2) (- side-radius)])
         (translate [0 0 (- 1)])
         (translate [0 0 (- teensy-offset-height)])
         (key-place 0 1))))


(spit "repl.scad"

                   thumb
                   thumb-connectors
                   case-walls
                   test-shape
                  ;  usb-cutout
                  ;  thumbcaps
                  ;  caps
